The new sports facilities will also include cycling paths and medical facilities, catering for the future growth of Brisbane Boys' College.

Brisbane City Council approved the three-stage complex which will begin construction on the 36-hectare site near the Oxley Golf Driving Range in 2016.

The three-stage complex would be phased in over the next decade, BBC Headmaster Graeme McDonald said.

"We started planning for this sporting precinct several years ago, as we knew our school would grow following the creation of our new Middle School precinct, which will provide specialist facilities and teaching resources for these critical learning years," Mr McDonald said.

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"We have started work for our new Middle School building at the Toowong campus, and we expect our student population to grow by about 200 to more than 1700 boys as a result.

"We found that we were starting to outgrow our current facilities, so we acquired the 36-hectare site in nearby Oxley to meet future needs."

BBC's new Middle School - which covers Years 6 to 9 - will be finished in 2015.

The first phase of the new sports complex will be ready in the next year, 2016.

The Oxley Golf Driving Range remains in operation until the sports complex begins.

The Oxley Creek Catchment Association will be involved in maintaining the site, which was extensively flooded in January 2011.